/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec1_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 06:22:36,806 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 06:22:36,812 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 06:22:36,850 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 06:22:36,850 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 06:22:36,858 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 06:22:36,860 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 06:22:36,864 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 06:22:36,866 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 06:22:36,869 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 06:22:36,870 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 06:22:36,871 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 06:22:36,871 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 06:22:36,874 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 06:22:36,877 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 06:22:36,879 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 06:22:36,880 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 06:22:36,882 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 06:22:36,883 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 06:22:36,889 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 06:22:36,890 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 06:22:36,892 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 06:22:36,893 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 06:22:36,894 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 06:22:36,904 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 06:22:36,904 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 06:22:36,905 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 06:22:36,908 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 06:22:36,908 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 06:22:36,909 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 06:22:36,909 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 06:22:36,910 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 06:22:36,912 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 06:22:36,913 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 06:22:36,914 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 06:22:36,914 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 06:22:36,915 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 06:22:36,915 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 06:22:36,915 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 06:22:36,916 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 06:22:36,917 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 06:22:36,918 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 06:22:36,955 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 06:22:36,956 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 06:22:36,957 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 06:22:36,958 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 06:22:36,958 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 06:22:36,958 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 06:22:36,958 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 06:22:36,958 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 06:22:36,959 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 06:22:36,959 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 06:22:36,960 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 06:22:36,960 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 06:22:36,960 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 06:22:36,961 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 06:22:36,961 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 06:22:36,961 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 06:22:36,961 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 06:22:36,961 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 06:22:36,962 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 06:22:36,962 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 06:22:36,962 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 06:22:36,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 06:22:36,962 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 06:22:36,962 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 06:22:36,963 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 06:22:36,963 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 06:22:36,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 06:22:36,963 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 06:22:36,963 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 06:22:36,964 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 06:22:37,247 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 06:22:37,260 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 06:22:37,263 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 06:22:37,265 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 06:22:37,265 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 06:22:37,266 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product22.cil.c [2020-10-14 06:22:37,325 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/19c787669/143e919ed5924e038536b43ad85be7e7/FLAGe3180e1ee [2020-10-14 06:22:37,926 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 06:22:37,927 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec1_product22.cil.c [2020-10-14 06:22:37,962 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/19c787669/143e919ed5924e038536b43ad85be7e7/FLAGe3180e1ee [2020-10-14 06:22:38,170 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/19c787669/143e919ed5924e038536b43ad85be7e7 [2020-10-14 06:22:38,178 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 06:22:38,180 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 06:22:38,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 06:22:38,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 06:22:38,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 06:22:38,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:22:38" (1/1) ... [2020-10-14 06:22:38,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@affcf18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:22:38, skipping insertion in model container [2020-10-14 06:22:38,189 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:22:38" (1/1) ... [2020-10-14 06:22:38,197 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 06:22:38,283 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 06:22:39,033 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 06:22:39,055 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 06:22:39,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 06:22:39,304 INFO L208 MainTranslator]: Completed translation [2020-10-14 06:22:39,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:22:39 WrapperNode [2020-10-14 06:22:39,307 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 06:22:39,307 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 06:22:39,307 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 06:22:39,307 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 06:22:39,317 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:22:39" (1/1) ... [2020-10-14 06:22:39,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:22:39" (1/1) ... [2020-10-14 06:22:39,349 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:22:39" (1/1) ... [2020-10-14 06:22:39,349 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:22:39" (1/1) ... [2020-10-14 06:22:39,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:22:39" (1/1) ... [2020-10-14 06:22:39,428 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:22:39" (1/1) ... [2020-10-14 06:22:39,443 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:22:39" (1/1) ... [2020-10-14 06:22:39,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 06:22:39,483 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 06:22:39,483 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 06:22:39,483 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 06:22:39,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:22:39" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 06:22:39,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 06:22:39,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 06:22:39,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-14 06:22:39,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-14 06:22:39,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-14 06:22:39,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-14 06:22:39,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-14 06:22:39,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-14 06:22:39,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-14 06:22:39,591 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2020-10-14 06:22:39,592 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-14 06:22:39,592 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2020-10-14 06:22:39,592 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-14 06:22:39,592 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-14 06:22:39,592 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-14 06:22:39,593 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-14 06:22:39,594 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-14 06:22:39,594 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-14 06:22:39,594 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-14 06:22:39,594 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-14 06:22:39,594 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-14 06:22:39,595 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-14 06:22:39,595 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-14 06:22:39,595 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-14 06:22:39,596 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-14 06:22:39,596 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-14 06:22:39,597 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-14 06:22:39,598 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-14 06:22:39,598 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-14 06:22:39,598 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-14 06:22:39,598 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-14 06:22:39,598 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-14 06:22:39,598 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-14 06:22:39,599 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-14 06:22:39,599 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-14 06:22:39,599 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-14 06:22:39,599 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-14 06:22:39,599 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-14 06:22:39,599 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-14 06:22:39,600 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-14 06:22:39,600 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-14 06:22:39,600 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-14 06:22:39,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2020-10-14 06:22:39,600 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-14 06:22:39,600 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-14 06:22:39,601 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-14 06:22:39,601 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-14 06:22:39,601 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-14 06:22:39,601 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-14 06:22:39,602 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-14 06:22:39,602 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-14 06:22:39,602 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-14 06:22:39,603 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 06:22:39,603 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-14 06:22:39,603 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-14 06:22:39,603 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-14 06:22:39,603 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-14 06:22:39,604 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-14 06:22:39,604 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-14 06:22:39,604 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-14 06:22:39,604 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-14 06:22:39,604 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-14 06:22:39,604 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2020-10-14 06:22:39,605 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2020-10-14 06:22:39,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-14 06:22:39,605 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-14 06:22:39,605 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-14 06:22:39,605 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-14 06:22:39,606 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-14 06:22:39,606 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-14 06:22:39,606 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-14 06:22:39,608 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-14 06:22:39,608 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-14 06:22:39,608 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-14 06:22:39,608 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-14 06:22:39,608 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-14 06:22:39,609 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-14 06:22:39,609 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-14 06:22:39,609 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-14 06:22:39,609 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-14 06:22:39,609 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-14 06:22:39,609 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-14 06:22:39,610 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-14 06:22:39,610 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-14 06:22:39,611 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-14 06:22:39,611 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-14 06:22:39,611 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-14 06:22:39,611 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-14 06:22:39,611 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-14 06:22:39,612 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-14 06:22:39,612 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-14 06:22:39,612 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-14 06:22:39,612 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-14 06:22:39,612 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-14 06:22:39,613 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-14 06:22:39,613 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2020-10-14 06:22:39,613 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-14 06:22:39,613 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-14 06:22:39,613 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2020-10-14 06:22:39,613 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AutoResponder [2020-10-14 06:22:39,614 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2020-10-14 06:22:39,614 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-14 06:22:39,614 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-14 06:22:39,614 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-14 06:22:39,614 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-14 06:22:39,615 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-14 06:22:39,615 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-14 06:22:39,615 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-14 06:22:39,615 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-14 06:22:39,615 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-14 06:22:39,615 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2020-10-14 06:22:39,616 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2020-10-14 06:22:39,616 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 06:22:39,616 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 06:22:39,616 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-14 06:22:39,616 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 06:22:39,617 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 06:22:39,617 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-14 06:22:39,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 06:22:39,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 06:22:39,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 06:22:39,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 06:22:39,619 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-14 06:22:39,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 06:22:39,620 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-14 06:22:39,621 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-14 06:22:39,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 06:22:39,624 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-14 06:22:39,624 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-14 06:22:39,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 06:22:39,625 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-14 06:22:39,625 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-14 06:22:39,625 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-14 06:22:39,625 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-14 06:22:39,626 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-14 06:22:39,626 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-14 06:22:39,626 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-14 06:22:39,626 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-14 06:22:39,626 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-14 06:22:39,626 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-14 06:22:39,626 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-14 06:22:39,627 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-14 06:22:39,627 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-14 06:22:39,634 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2020-10-14 06:22:39,634 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2020-10-14 06:22:39,634 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-14 06:22:39,635 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2020-10-14 06:22:39,635 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-14 06:22:39,635 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-14 06:22:39,635 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-14 06:22:39,635 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2020-10-14 06:22:39,635 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-14 06:22:39,635 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-14 06:22:39,635 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-14 06:22:39,636 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-14 06:22:39,636 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-14 06:22:39,636 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-14 06:22:39,636 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-14 06:22:39,636 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-14 06:22:39,637 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-14 06:22:39,637 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-14 06:22:39,637 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-14 06:22:39,637 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-14 06:22:39,637 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-14 06:22:39,637 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-14 06:22:39,637 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-14 06:22:39,638 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-14 06:22:39,638 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-14 06:22:39,638 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-14 06:22:39,638 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-14 06:22:39,638 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-14 06:22:39,638 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-14 06:22:39,638 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-14 06:22:39,638 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-14 06:22:39,638 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-14 06:22:39,639 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-14 06:22:39,639 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-14 06:22:39,639 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2020-10-14 06:22:39,639 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-14 06:22:39,639 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-14 06:22:39,639 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-14 06:22:39,639 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-14 06:22:39,640 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-14 06:22:39,640 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-14 06:22:39,640 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-14 06:22:39,640 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-14 06:22:39,640 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-14 06:22:39,640 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-14 06:22:39,640 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-14 06:22:39,640 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-14 06:22:39,641 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-14 06:22:39,641 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-14 06:22:39,641 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-14 06:22:39,641 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-14 06:22:39,641 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-14 06:22:39,641 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-14 06:22:39,641 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-14 06:22:39,641 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-14 06:22:39,642 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 06:22:39,642 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-14 06:22:39,642 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-14 06:22:39,642 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-14 06:22:39,642 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-14 06:22:39,642 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-14 06:22:39,642 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-14 06:22:39,642 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-14 06:22:39,643 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-14 06:22:39,643 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-14 06:22:39,644 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-14 06:22:39,644 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-14 06:22:39,644 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-14 06:22:39,644 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-14 06:22:39,644 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-14 06:22:39,644 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-14 06:22:39,644 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-14 06:22:39,644 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-14 06:22:39,646 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-14 06:22:39,646 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-14 06:22:39,646 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-14 06:22:39,646 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-14 06:22:39,646 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-14 06:22:39,647 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-14 06:22:39,647 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-14 06:22:39,647 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-14 06:22:39,647 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-14 06:22:39,647 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-14 06:22:39,647 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-14 06:22:39,647 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-14 06:22:39,647 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-14 06:22:39,648 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-14 06:22:39,648 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2020-10-14 06:22:39,648 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2020-10-14 06:22:39,648 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2020-10-14 06:22:39,648 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2020-10-14 06:22:39,648 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AutoResponder [2020-10-14 06:22:39,648 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2020-10-14 06:22:39,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 06:22:39,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 06:22:39,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 06:22:41,509 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 06:22:41,509 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-14 06:22:41,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:22:41 BoogieIcfgContainer [2020-10-14 06:22:41,518 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 06:22:41,519 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 06:22:41,519 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 06:22:41,523 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 06:22:41,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 06:22:38" (1/3) ... [2020-10-14 06:22:41,524 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43231245 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:22:41, skipping insertion in model container [2020-10-14 06:22:41,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:22:39" (2/3) ... [2020-10-14 06:22:41,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43231245 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:22:41, skipping insertion in model container [2020-10-14 06:22:41,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:22:41" (3/3) ... [2020-10-14 06:22:41,526 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product22.cil.c [2020-10-14 06:22:41,538 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 06:22:41,546 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 06:22:41,562 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 06:22:41,589 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 06:22:41,590 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 06:22:41,590 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 06:22:41,590 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 06:22:41,590 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 06:22:41,590 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 06:22:41,590 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 06:22:41,591 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 06:22:41,619 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states. [2020-10-14 06:22:41,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-14 06:22:41,637 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:22:41,639 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:22:41,639 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:22:41,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:22:41,646 INFO L82 PathProgramCache]: Analyzing trace with hash -262488185, now seen corresponding path program 1 times [2020-10-14 06:22:41,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:22:41,655 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1987416353] [2020-10-14 06:22:41,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:22:42,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:42,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:42,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:42,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:42,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:45,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:46,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:47,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:47,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-10-14 06:22:47,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 06:22:47,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-10-14 06:22:47,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:47,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:47,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:47,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-14 06:22:47,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:47,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 06:22:48,914 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 544 [2020-10-14 06:22:48,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:22:48,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:48,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:48,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:48,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:22:48,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:48,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-14 06:22:48,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:48,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:48,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:48,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:48,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:48,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:22:49,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:22:49,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:49,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:49,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:49,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:22:49,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:49,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:22:49,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:49,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:49,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:49,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:49,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:49,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:22:49,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:22:49,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:49,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:49,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:49,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:22:49,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:49,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:22:49,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:49,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:49,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:49,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:49,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:49,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:22:49,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:22:49,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:49,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:49,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:49,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:22:49,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:49,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:22:49,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:49,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:49,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:49,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:49,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:49,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:22:49,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:22:49,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:49,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:49,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:49,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:49,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:50,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:54,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:54,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 06:22:54,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:22:54,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-14 06:22:54,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:54,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:54,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:54,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:54,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:54,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:22:54,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:22:54,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:54,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:54,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:54,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:22:54,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:54,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 06:22:54,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:54,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:54,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:54,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:54,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:54,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:22:54,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:22:54,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:54,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:54,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:54,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:22:54,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:54,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 06:22:54,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:54,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:54,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:54,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:54,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:54,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:22:54,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:22:54,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:54,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:54,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:54,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:22:54,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:54,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 06:22:54,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:54,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:54,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:54,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:54,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:54,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 06:22:54,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:22:54,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:54,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:54,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:54,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:22:54,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:54,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:22:54,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:54,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:54,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:54,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:54,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:54,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:22:54,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 06:22:54,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:54,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:54,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:54,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:22:54,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:54,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 06:22:54,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:54,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:54,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:54,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:54,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:54,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:22:54,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:22:54,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:54,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:54,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:54,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:22:54,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:54,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:22:54,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:54,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:54,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:54,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:54,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:54,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:22:54,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:22:54,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:54,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:54,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:54,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:22:54,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:54,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:22:54,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:54,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:54,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:54,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:54,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:54,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:22:54,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:22:54,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:54,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:54,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:54,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:22:54,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:54,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:22:54,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:54,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:54,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:54,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:54,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:54,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:22:54,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 06:22:54,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:54,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:54,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:54,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:22:54,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:54,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 06:22:54,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:54,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:54,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:54,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:54,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:54,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:22:54,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:22:54,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:54,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:54,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:54,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:22:54,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:54,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:22:54,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:54,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:54,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:54,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:54,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:54,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:22:54,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:22:54,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:54,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:54,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:54,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:22:54,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:54,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:22:54,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:54,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:54,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:54,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:54,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:54,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:22:54,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:22:54,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:54,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:54,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:54,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:22:54,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:54,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:22:54,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:54,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:54,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:54,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:54,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:54,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:22:54,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-14 06:22:54,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:54,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:54,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:54,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 06:22:54,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:54,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 06:22:54,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:54,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:54,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:54,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 06:22:54,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:54,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:22:54,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:22:54,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:54,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:54,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:54,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:22:54,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:54,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:22:54,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:54,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:54,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:54,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:54,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:54,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:22:54,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:22:54,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:54,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:54,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:54,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:22:54,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:54,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:22:54,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:54,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:54,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:54,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:22:54,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:54,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:22:54,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-14 06:22:54,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:54,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:54,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:54,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:22:54,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:54,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:22:54,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:54,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:54,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:54,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:22:54,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:54,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:22:54,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-14 06:22:54,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:54,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:54,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:54,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:22:54,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:54,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:22:54,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:54,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:54,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:54,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:22:54,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:54,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:22:54,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-14 06:22:54,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:54,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:54,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:54,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:22:54,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:54,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:22:54,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:54,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:54,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:54,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:22:54,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:54,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:22:54,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-14 06:22:54,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:54,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:54,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:54,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:22:54,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:54,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:22:54,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:54,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:54,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:54,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:22:54,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:54,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:22:54,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-14 06:22:54,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:22:54,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:22:54,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:22:54,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:22:54,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:22:54,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:22:54,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:22:54,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:22:54,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:22:54,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:22:54,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:22:54,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:22:54,522 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-14 06:22:54,523 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1987416353] [2020-10-14 06:22:54,525 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:22:54,525 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 06:22:54,526 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004944656] [2020-10-14 06:22:54,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 06:22:54,533 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:22:54,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 06:22:54,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-14 06:22:54,551 INFO L87 Difference]: Start difference. First operand 508 states. Second operand 10 states. [2020-10-14 06:23:06,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:23:06,818 INFO L93 Difference]: Finished difference Result 1136 states and 1670 transitions. [2020-10-14 06:23:06,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-14 06:23:06,819 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 145 [2020-10-14 06:23:06,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:23:06,846 INFO L225 Difference]: With dead ends: 1136 [2020-10-14 06:23:06,846 INFO L226 Difference]: Without dead ends: 802 [2020-10-14 06:23:06,854 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2020-10-14 06:23:06,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 802 states. [2020-10-14 06:23:07,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 802 to 485. [2020-10-14 06:23:07,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 485 states. [2020-10-14 06:23:07,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 643 transitions. [2020-10-14 06:23:07,150 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 643 transitions. Word has length 145 [2020-10-14 06:23:07,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:23:07,151 INFO L479 AbstractCegarLoop]: Abstraction has 485 states and 643 transitions. [2020-10-14 06:23:07,152 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 06:23:07,152 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 643 transitions. [2020-10-14 06:23:07,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-14 06:23:07,157 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:23:07,158 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:23:07,158 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 06:23:07,158 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:23:07,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:23:07,159 INFO L82 PathProgramCache]: Analyzing trace with hash -1163189320, now seen corresponding path program 1 times [2020-10-14 06:23:07,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:23:07,159 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1752887292] [2020-10-14 06:23:07,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:23:07,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:07,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:07,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:07,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:07,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:07,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:12,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:12,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-14 06:23:12,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:23:12,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-14 06:23:12,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:12,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:12,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:23:12,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-14 06:23:12,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 06:23:12,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:13,692 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 544 [2020-10-14 06:23:13,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:23:13,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:13,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:13,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:13,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:23:13,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:13,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 06:23:13,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:13,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:13,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:13,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:13,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:13,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:23:13,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:23:13,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:13,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:13,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:13,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:23:13,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:13,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:23:13,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:13,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:13,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:13,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:13,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:13,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:13,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:23:13,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:13,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:13,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:13,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:23:13,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:13,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:23:13,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:13,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:13,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:13,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:13,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:13,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:13,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:23:13,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:13,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:13,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:13,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:23:13,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:13,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:23:13,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:13,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:13,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:13,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:13,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:13,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:13,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:23:13,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:13,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:13,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:13,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:13,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:15,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:18,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:18,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 06:23:18,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:23:18,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 06:23:18,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:18,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:18,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:18,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:18,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:18,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:18,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:23:18,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:18,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:18,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:18,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:23:18,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:18,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:23:18,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:18,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:18,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:18,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:18,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:18,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:18,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:23:18,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:18,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:18,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:18,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:23:18,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:18,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:23:18,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:18,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:18,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:18,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:18,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:18,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:18,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:23:18,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:18,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:18,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:18,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:18,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:18,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:23:18,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:18,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:18,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:18,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:18,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:18,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:23:18,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:23:18,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:18,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:18,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:18,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:18,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:18,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:23:18,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:18,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:18,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:18,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:18,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:18,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:23:18,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 06:23:18,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:18,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:18,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:18,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:23:18,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:18,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 06:23:18,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:18,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:18,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:18,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:18,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:18,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:23:18,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:23:18,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:18,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:18,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:18,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:23:18,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:18,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:23:18,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:18,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:18,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:18,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:18,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:18,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:23:18,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:23:18,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:18,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:18,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:18,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:18,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:18,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:23:18,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:18,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:18,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:18,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:18,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:18,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:23:18,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:23:18,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:18,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:18,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:18,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:18,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:18,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:23:18,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:18,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:18,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:18,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:18,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:18,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:23:18,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 06:23:18,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:18,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:18,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:18,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:23:18,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:18,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 06:23:18,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:18,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:18,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:18,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:18,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:18,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 06:23:19,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:23:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:19,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:19,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:19,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:23:19,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:19,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:23:19,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:19,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:19,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:19,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:19,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:19,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:23:19,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:23:19,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:19,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:19,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:19,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:19,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:19,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 06:23:19,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:19,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:19,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:19,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:19,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:19,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:23:19,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:23:19,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:19,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:19,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:19,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:19,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:19,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:23:19,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:19,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:19,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:19,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:19,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:19,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:23:19,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 06:23:19,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:19,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:19,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:19,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 06:23:19,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:19,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 06:23:19,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:19,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:19,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:19,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 06:23:19,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:19,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:23:19,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:23:19,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:19,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:19,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:19,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:19,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:19,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:23:19,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:19,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:19,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:19,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:19,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:19,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:23:19,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:23:19,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:19,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:19,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:19,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:19,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:19,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:23:19,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:19,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:19,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:19,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:19,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:19,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:23:19,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-14 06:23:19,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:19,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:19,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:19,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:19,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:19,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:23:19,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:19,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:19,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:19,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:23:19,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:19,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:23:19,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-14 06:23:19,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:19,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:19,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:19,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:23:19,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:19,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:23:19,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:19,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:19,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:19,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:23:19,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:19,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:23:19,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-14 06:23:19,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:19,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:19,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:19,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:19,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:19,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:23:19,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:19,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:19,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:19,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:23:19,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:19,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:23:19,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-14 06:23:19,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:19,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:19,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:19,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:19,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:19,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:23:19,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:19,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:19,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:19,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:23:19,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:19,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:23:19,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-14 06:23:19,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:19,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:19,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:19,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:19,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:19,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:23:19,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:19,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:19,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:19,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:23:19,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:19,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:23:19,317 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-14 06:23:19,318 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1752887292] [2020-10-14 06:23:19,318 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:23:19,318 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 06:23:19,319 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949875723] [2020-10-14 06:23:19,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 06:23:19,323 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:23:19,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 06:23:19,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-14 06:23:19,324 INFO L87 Difference]: Start difference. First operand 485 states and 643 transitions. Second operand 11 states. [2020-10-14 06:23:24,248 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-14 06:23:37,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:23:37,214 INFO L93 Difference]: Finished difference Result 1047 states and 1484 transitions. [2020-10-14 06:23:37,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 06:23:37,215 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 146 [2020-10-14 06:23:37,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:23:37,224 INFO L225 Difference]: With dead ends: 1047 [2020-10-14 06:23:37,224 INFO L226 Difference]: Without dead ends: 805 [2020-10-14 06:23:37,240 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2020-10-14 06:23:37,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 805 states. [2020-10-14 06:23:37,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 805 to 487. [2020-10-14 06:23:37,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 487 states. [2020-10-14 06:23:37,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 645 transitions. [2020-10-14 06:23:37,415 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 645 transitions. Word has length 146 [2020-10-14 06:23:37,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:23:37,416 INFO L479 AbstractCegarLoop]: Abstraction has 487 states and 645 transitions. [2020-10-14 06:23:37,416 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 06:23:37,416 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 645 transitions. [2020-10-14 06:23:37,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-14 06:23:37,419 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:23:37,419 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:23:37,420 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 06:23:37,420 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:23:37,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:23:37,420 INFO L82 PathProgramCache]: Analyzing trace with hash -180533913, now seen corresponding path program 1 times [2020-10-14 06:23:37,421 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:23:37,421 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [745450498] [2020-10-14 06:23:37,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:23:37,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:37,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:37,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:37,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:37,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:37,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:37,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:37,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:37,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:40,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:40,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:41,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:41,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:41,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:41,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:41,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:42,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:42,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-10-14 06:23:42,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-14 06:23:42,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5035 [2020-10-14 06:23:42,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:42,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:42,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:23:42,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-14 06:23:42,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 06:23:42,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:43,854 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 544 [2020-10-14 06:23:43,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:23:43,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:43,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:43,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:43,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:23:43,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:43,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 06:23:43,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:43,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:43,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:43,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:43,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:43,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:43,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:23:43,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:43,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:43,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:43,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:23:43,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:43,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:23:43,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:43,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:43,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:43,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:43,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:43,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:43,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:23:43,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:43,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:43,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:43,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:23:43,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:43,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:23:43,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:43,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:43,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:43,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:43,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:43,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:43,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:23:43,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:43,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:43,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:43,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:23:43,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:43,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:23:43,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:43,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:43,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:43,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:43,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:43,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:43,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:23:43,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:43,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:43,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:43,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:44,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:44,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:48,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:48,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 06:23:48,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:23:48,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4231 [2020-10-14 06:23:48,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:48,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:48,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:48,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:48,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:48,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:48,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:23:48,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:48,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:48,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:48,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:23:48,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:48,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:23:48,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:48,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:48,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:48,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:48,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:48,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:48,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:23:48,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:48,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:48,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:48,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:23:48,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:48,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:23:48,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:48,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:48,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:48,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:48,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:48,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:48,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:23:48,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:48,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:48,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:48,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:48,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:48,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:23:48,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:48,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:48,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:48,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:48,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:48,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:23:48,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:23:48,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:48,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:48,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:48,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:48,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:48,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:23:48,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:48,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:48,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:48,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:48,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:48,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:48,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 06:23:48,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:48,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:48,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:48,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:23:48,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:48,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:23:48,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:48,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:48,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:48,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:48,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:48,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:48,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:23:48,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:48,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:48,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:48,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:23:48,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:48,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:23:48,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:48,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:48,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:48,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:48,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:48,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:23:48,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:23:48,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:48,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:48,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:48,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:48,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:48,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:23:48,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:48,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:48,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:48,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:48,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:48,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:23:48,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:23:48,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:48,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:48,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:48,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:48,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:48,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:23:48,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:48,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:48,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:48,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:48,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:48,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:23:48,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 06:23:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:48,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:48,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:48,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:23:48,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:48,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:23:48,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:48,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:48,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:48,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:48,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:48,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:48,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:23:48,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:48,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:48,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:48,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:23:48,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:48,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:23:48,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:48,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:48,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:48,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:48,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:48,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:48,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:23:48,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:48,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:48,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:48,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:48,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:48,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:23:48,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:48,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:48,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:48,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:48,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:48,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:23:48,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:23:48,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:48,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:48,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:48,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:48,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:48,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:23:48,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:48,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:48,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:48,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:48,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:48,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:48,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-14 06:23:48,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:48,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:48,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:48,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 06:23:48,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:48,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:23:48,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:48,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:48,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:48,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 06:23:48,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:48,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:48,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:23:48,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:48,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:48,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:48,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:48,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:48,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:23:48,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:48,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:48,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:48,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:48,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:48,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:48,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:23:48,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:48,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:48,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:48,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:48,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:48,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:23:48,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:48,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:48,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:48,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:23:48,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:48,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:48,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 06:23:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:48,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:48,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:48,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:48,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:48,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:23:48,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:48,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:48,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:48,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:23:48,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:48,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:48,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 06:23:48,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:48,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:48,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:48,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:23:48,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:48,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:23:48,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:48,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:48,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:48,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:23:48,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:48,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:48,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-14 06:23:48,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:48,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:48,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:48,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:48,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:48,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:23:48,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:48,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:48,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:48,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:23:48,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:48,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:48,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 06:23:48,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:48,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:48,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:48,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:48,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:48,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:23:48,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:48,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:48,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:48,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:23:48,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:48,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:48,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-14 06:23:48,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:23:48,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:23:48,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:23:48,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:23:48,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:23:48,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:23:48,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:23:48,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:23:48,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:23:48,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:23:48,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:23:48,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:23:48,484 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-14 06:23:48,485 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [745450498] [2020-10-14 06:23:48,485 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:23:48,485 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 06:23:48,486 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542533959] [2020-10-14 06:23:48,486 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 06:23:48,486 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:23:48,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 06:23:48,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-14 06:23:48,487 INFO L87 Difference]: Start difference. First operand 487 states and 645 transitions. Second operand 11 states. [2020-10-14 06:23:52,550 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-14 06:24:07,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:24:07,190 INFO L93 Difference]: Finished difference Result 1175 states and 1731 transitions. [2020-10-14 06:24:07,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 06:24:07,196 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 158 [2020-10-14 06:24:07,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:24:07,211 INFO L225 Difference]: With dead ends: 1175 [2020-10-14 06:24:07,211 INFO L226 Difference]: Without dead ends: 933 [2020-10-14 06:24:07,215 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=133, Invalid=247, Unknown=0, NotChecked=0, Total=380 [2020-10-14 06:24:07,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 933 states. [2020-10-14 06:24:07,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 529. [2020-10-14 06:24:07,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 529 states. [2020-10-14 06:24:07,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 717 transitions. [2020-10-14 06:24:07,463 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 717 transitions. Word has length 158 [2020-10-14 06:24:07,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:24:07,464 INFO L479 AbstractCegarLoop]: Abstraction has 529 states and 717 transitions. [2020-10-14 06:24:07,464 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 06:24:07,464 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 717 transitions. [2020-10-14 06:24:07,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-14 06:24:07,467 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:24:07,467 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:24:07,468 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 06:24:07,468 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:24:07,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:24:07,468 INFO L82 PathProgramCache]: Analyzing trace with hash -1539570630, now seen corresponding path program 1 times [2020-10-14 06:24:07,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:24:07,469 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1067755118] [2020-10-14 06:24:07,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:24:07,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:07,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:07,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:07,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:07,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:07,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:07,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:07,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:08,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:10,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:10,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:11,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:12,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:12,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:12,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-10-14 06:24:12,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-14 06:24:12,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5035 [2020-10-14 06:24:12,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:12,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:12,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:24:12,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-14 06:24:12,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 06:24:12,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:24:13,890 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 544 [2020-10-14 06:24:13,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:24:13,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:13,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:13,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:13,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:24:13,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:13,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 06:24:13,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:13,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:13,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:13,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:13,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:13,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:13,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:24:13,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:13,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:13,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:13,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:24:13,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:13,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:24:13,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:13,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:13,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:13,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:13,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:13,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:13,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:24:13,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:13,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:13,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:13,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:24:13,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:13,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 06:24:13,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:13,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:13,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:13,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:13,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:13,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:13,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:24:13,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:13,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:13,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:13,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:24:13,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:13,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:24:13,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:13,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:13,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:13,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:13,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:13,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:14,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:24:14,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:14,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:14,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:14,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:14,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:15,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:19,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:19,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 06:24:19,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:24:19,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 06:24:19,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:19,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:19,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:19,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:19,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:19,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:19,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:24:19,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:19,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:19,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:19,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:24:19,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:19,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:24:19,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:19,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:19,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:19,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:19,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:19,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:19,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:24:19,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:19,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:19,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:19,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:24:19,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:19,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:24:19,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:19,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:19,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:19,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:19,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:19,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:24:19,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:24:19,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:19,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:19,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:19,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:24:19,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:19,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:24:19,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:19,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:19,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:19,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:19,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:19,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:24:19,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:24:19,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:19,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:19,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:19,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:24:19,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:19,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:24:19,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:19,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:19,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:19,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:19,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:19,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:24:19,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 06:24:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:19,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:19,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:19,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:24:19,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:19,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:24:19,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:19,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:19,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:19,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:19,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:19,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:19,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:24:19,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:19,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:19,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:19,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:24:19,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:19,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:24:19,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:19,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:19,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:19,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:19,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:19,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:19,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:24:19,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:19,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:19,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:19,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:24:19,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:19,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:24:19,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:19,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:19,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:19,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:19,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:19,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:24:19,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:24:19,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:19,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:19,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:19,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:24:19,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:19,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:24:19,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:19,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:19,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:19,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:19,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:19,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:24:19,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 06:24:19,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:19,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:19,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:19,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:24:19,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:19,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:24:19,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:19,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:19,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:19,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:19,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:19,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:19,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:24:19,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:19,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:19,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:19,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:24:19,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:19,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:24:19,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:19,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:19,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:19,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:19,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:19,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:24:19,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:24:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:19,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:19,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:19,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:24:19,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:19,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:24:19,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:19,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:19,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:19,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:19,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:19,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:24:19,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:24:19,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:19,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:19,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:19,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:24:19,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:19,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:24:19,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:19,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:19,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:19,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:19,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:19,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:24:19,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-14 06:24:19,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:19,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:19,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:19,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 06:24:19,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:19,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 06:24:19,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:19,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:19,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:19,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 06:24:19,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:19,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:19,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:24:19,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:19,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:19,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:19,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:24:19,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:19,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:24:19,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:19,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:19,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:19,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:19,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:19,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:19,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:24:19,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:19,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:19,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:19,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:24:19,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:19,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:24:19,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:19,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:19,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:19,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:19,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:19,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:19,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 06:24:19,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:19,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:19,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:19,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:24:19,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:19,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:24:19,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:19,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:19,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:19,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:24:19,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:19,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:19,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 06:24:19,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:19,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:19,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:19,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:24:19,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:19,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:24:19,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:19,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:19,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:19,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:24:19,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:19,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:19,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-14 06:24:19,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:19,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:19,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:19,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:24:19,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:19,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:24:19,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:19,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:19,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:19,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:24:19,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:19,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:19,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 06:24:19,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:19,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:19,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:19,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:24:19,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:19,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:24:19,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:19,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:19,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:19,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:24:19,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:19,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:19,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-14 06:24:19,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:19,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:19,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:19,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:24:19,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:19,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:24:19,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:19,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:19,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:19,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:24:19,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:19,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:19,313 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-14 06:24:19,314 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1067755118] [2020-10-14 06:24:19,314 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:24:19,314 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 06:24:19,315 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389158056] [2020-10-14 06:24:19,315 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 06:24:19,315 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:24:19,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 06:24:19,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-14 06:24:19,316 INFO L87 Difference]: Start difference. First operand 529 states and 717 transitions. Second operand 11 states. [2020-10-14 06:24:22,744 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-14 06:24:36,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:24:36,197 INFO L93 Difference]: Finished difference Result 1640 states and 2538 transitions. [2020-10-14 06:24:36,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 06:24:36,198 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 158 [2020-10-14 06:24:36,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:24:36,206 INFO L225 Difference]: With dead ends: 1640 [2020-10-14 06:24:36,206 INFO L226 Difference]: Without dead ends: 1176 [2020-10-14 06:24:36,209 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=133, Invalid=247, Unknown=0, NotChecked=0, Total=380 [2020-10-14 06:24:36,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1176 states. [2020-10-14 06:24:36,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1176 to 610. [2020-10-14 06:24:36,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 610 states. [2020-10-14 06:24:36,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 855 transitions. [2020-10-14 06:24:36,511 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 855 transitions. Word has length 158 [2020-10-14 06:24:36,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:24:36,512 INFO L479 AbstractCegarLoop]: Abstraction has 610 states and 855 transitions. [2020-10-14 06:24:36,512 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 06:24:36,512 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 855 transitions. [2020-10-14 06:24:36,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-14 06:24:36,521 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:24:36,521 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:24:36,522 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 06:24:36,522 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:24:36,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:24:36,522 INFO L82 PathProgramCache]: Analyzing trace with hash 284503723, now seen corresponding path program 1 times [2020-10-14 06:24:36,522 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:24:36,523 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1893209083] [2020-10-14 06:24:36,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:24:36,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:36,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:36,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:36,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:36,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:36,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:41,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:41,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-14 06:24:41,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:24:41,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-14 06:24:41,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:41,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:41,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:24:41,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-14 06:24:41,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 06:24:41,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:42,867 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 544 [2020-10-14 06:24:42,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:24:42,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:42,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:42,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:42,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:24:42,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:42,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 06:24:42,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:42,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:42,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:42,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:42,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:42,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:42,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:24:42,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:42,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:42,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:42,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:24:42,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:42,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:24:42,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:42,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:42,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:42,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:42,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:42,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:24:42,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:24:42,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:42,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:42,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:42,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:24:42,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:42,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:24:42,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:42,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:42,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:42,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:42,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:42,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:42,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:24:42,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:42,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:42,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:42,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:24:42,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:42,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:24:42,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:42,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:42,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:42,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:42,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:42,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:42,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:24:42,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:42,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:42,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:42,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:43,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:43,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:47,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:47,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 06:24:47,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:24:47,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4216 [2020-10-14 06:24:47,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:47,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:47,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:47,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:47,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:47,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:47,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:24:47,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:47,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:47,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:47,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:24:47,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:47,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:24:47,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:47,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:47,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:47,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:47,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:47,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:24:47,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:24:47,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:47,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:47,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:47,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:24:47,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:47,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:24:47,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:47,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:47,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:47,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:47,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:47,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:47,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:24:47,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:47,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:47,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:47,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:24:47,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:47,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:24:47,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:47,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:47,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:47,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:47,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:47,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:24:47,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:24:47,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:47,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:47,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:47,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:24:47,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:47,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:24:47,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:47,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:47,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:47,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:47,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:47,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:47,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 06:24:47,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:47,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:47,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:47,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:24:47,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:47,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:24:47,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:47,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:47,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:47,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:47,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:47,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:47,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:24:47,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:47,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:47,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:47,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:24:47,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:47,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:24:47,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:47,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:47,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:47,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:47,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:47,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:47,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:24:47,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:47,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:47,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:47,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:24:47,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:47,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:24:47,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:47,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:47,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:47,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:47,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:47,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:47,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:24:47,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:47,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:47,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:47,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:24:47,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:47,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:24:47,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:47,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:47,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:47,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:47,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:47,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:47,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 06:24:47,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:47,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:47,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:47,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:24:47,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:47,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:24:47,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:47,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:47,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:47,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:47,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:47,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:47,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:24:47,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:47,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:47,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:47,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:24:47,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:47,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:24:47,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:47,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:47,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:47,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:47,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:47,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:47,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:24:47,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:47,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:47,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:47,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:24:47,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:47,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:24:47,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:47,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:47,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:47,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:47,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:47,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:24:47,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:24:47,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:47,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:47,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:47,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:24:47,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:47,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:24:47,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:47,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:47,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:47,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:47,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:47,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:47,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-14 06:24:47,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:47,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:47,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:47,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 06:24:47,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:47,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:24:47,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:47,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:47,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:47,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 06:24:47,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:47,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:47,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:24:47,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:47,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:47,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:47,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:24:47,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:47,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:24:47,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:47,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:47,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:47,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:47,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:47,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:47,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:24:47,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:47,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:47,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:47,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:24:47,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:47,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:24:47,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:47,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:47,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:47,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:24:47,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:47,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:47,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 06:24:47,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:47,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:47,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:47,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:24:47,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:47,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:24:47,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:47,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:47,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:47,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:24:47,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:47,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:47,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 06:24:47,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:47,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:47,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:47,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:24:47,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:47,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:24:47,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:47,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:47,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:47,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:24:47,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:47,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:47,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 06:24:47,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:47,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:47,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:47,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:24:47,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:47,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:24:47,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:47,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:47,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:47,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:24:47,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:47,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:24:47,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-14 06:24:47,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:47,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:47,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:47,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:24:47,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:47,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:24:47,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:47,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:47,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:47,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:24:47,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:47,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:47,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-14 06:24:47,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:24:47,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:24:47,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:24:47,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:24:47,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:24:47,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:24:47,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:24:47,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:24:47,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:24:47,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:24:47,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:24:47,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:24:47,454 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-14 06:24:47,454 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1893209083] [2020-10-14 06:24:47,454 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:24:47,454 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 06:24:47,455 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60840522] [2020-10-14 06:24:47,455 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 06:24:47,456 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:24:47,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 06:24:47,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-14 06:24:47,456 INFO L87 Difference]: Start difference. First operand 610 states and 855 transitions. Second operand 11 states. [2020-10-14 06:24:50,824 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-14 06:25:04,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:25:04,157 INFO L93 Difference]: Finished difference Result 2189 states and 3570 transitions. [2020-10-14 06:25:04,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 06:25:04,157 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 159 [2020-10-14 06:25:04,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:25:04,169 INFO L225 Difference]: With dead ends: 2189 [2020-10-14 06:25:04,170 INFO L226 Difference]: Without dead ends: 1644 [2020-10-14 06:25:04,173 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=133, Invalid=247, Unknown=0, NotChecked=0, Total=380 [2020-10-14 06:25:04,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1644 states. [2020-10-14 06:25:04,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1644 to 766. [2020-10-14 06:25:04,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 766 states. [2020-10-14 06:25:04,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 766 states and 1119 transitions. [2020-10-14 06:25:04,487 INFO L78 Accepts]: Start accepts. Automaton has 766 states and 1119 transitions. Word has length 159 [2020-10-14 06:25:04,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:25:04,487 INFO L479 AbstractCegarLoop]: Abstraction has 766 states and 1119 transitions. [2020-10-14 06:25:04,487 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 06:25:04,488 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 1119 transitions. [2020-10-14 06:25:04,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-14 06:25:04,491 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:25:04,491 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:25:04,491 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 06:25:04,491 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:25:04,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:25:04,491 INFO L82 PathProgramCache]: Analyzing trace with hash 1192095322, now seen corresponding path program 1 times [2020-10-14 06:25:04,492 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:25:04,492 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1823988318] [2020-10-14 06:25:04,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:25:04,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:04,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:04,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:04,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:04,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:04,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:04,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:04,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:04,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:04,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:05,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:08,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:09,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:09,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 230 [2020-10-14 06:25:09,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-14 06:25:09,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-14 06:25:09,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:09,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:09,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:25:09,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-14 06:25:09,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 06:25:09,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:10,824 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 544 [2020-10-14 06:25:10,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:25:10,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:10,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:10,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:10,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:25:10,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:25:10,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 06:25:10,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:10,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:10,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:25:10,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:25:10,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:25:10,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:10,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:25:10,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:10,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:10,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:10,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:25:10,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:25:10,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:25:10,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:10,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:10,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:25:10,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:25:10,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:25:10,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:10,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:25:10,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:10,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:10,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:10,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:25:10,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:25:10,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:25:10,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:10,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:10,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:25:10,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:25:10,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:25:10,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:10,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:25:10,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:10,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:10,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:10,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:25:10,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:25:10,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:25:10,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:10,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:10,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:25:10,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:25:10,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:25:10,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:10,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:25:10,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:10,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:10,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:10,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:10,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:11,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:15,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:15,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 06:25:15,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:25:15,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4540 [2020-10-14 06:25:15,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:15,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:15,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:25:15,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:25:15,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:25:15,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:15,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:25:15,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:15,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:15,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:15,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:25:15,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:25:15,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:25:15,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:15,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:15,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:25:15,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:25:15,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:25:15,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:15,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:25:15,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:15,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:15,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:15,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:25:15,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:25:15,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:25:15,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:15,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:15,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:25:15,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:25:15,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:25:15,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:15,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:25:15,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:15,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:15,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:15,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:25:15,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:25:15,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:25:15,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:15,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:15,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:25:15,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:25:15,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:25:15,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:15,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:25:15,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:15,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:15,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:15,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:25:15,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:25:15,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:25:15,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:15,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:15,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:25:15,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:25:15,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:25:15,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:15,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 06:25:15,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:15,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:15,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:15,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:25:15,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:25:15,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:25:15,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:15,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:15,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:25:15,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:25:15,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:25:15,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:15,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:25:15,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:15,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:15,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:15,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:25:15,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:25:15,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:25:15,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:15,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:15,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:25:15,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:25:15,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:25:15,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:15,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:25:15,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:15,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:15,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:15,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:25:15,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:25:15,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:25:15,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:15,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:15,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:25:15,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:25:15,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:25:15,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:15,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:25:15,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:15,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:15,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:15,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:25:15,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:25:15,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:25:15,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:15,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:15,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:25:15,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:25:15,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:25:15,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:15,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 06:25:15,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:15,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:15,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:15,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:25:15,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:25:15,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:25:15,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:15,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:15,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:25:15,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:25:15,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:25:15,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:15,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:25:15,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:15,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:15,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:15,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:25:15,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:25:15,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:25:15,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:15,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:15,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:25:15,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:25:15,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:25:15,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:15,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:25:15,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:15,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:15,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:15,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:25:15,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:25:15,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:25:15,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:15,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:15,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:25:15,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:25:15,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:25:15,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:15,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:25:15,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:15,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:15,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:15,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:25:15,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:25:15,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:25:15,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:15,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:15,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:25:15,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:25:15,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:25:15,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:15,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 06:25:15,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:15,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:15,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:15,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 06:25:15,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:25:15,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:25:15,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:15,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:15,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:25:15,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 06:25:15,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:25:15,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:15,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:25:15,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:15,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:15,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:15,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:25:15,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:25:15,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:25:15,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:15,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:15,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:25:15,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:25:15,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:25:15,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:15,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:25:15,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:15,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:15,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:15,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:25:15,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:25:15,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:25:15,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:15,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:15,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:25:15,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:25:15,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:25:15,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:15,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-14 06:25:15,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:15,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:15,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:15,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:25:15,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:25:15,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:25:15,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:15,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:15,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:25:15,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:25:15,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:25:15,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:15,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-14 06:25:15,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:15,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:15,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:15,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:25:15,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:25:15,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:25:15,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:15,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:15,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:25:15,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:25:15,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:25:15,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:15,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-14 06:25:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:15,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:15,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:15,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:25:15,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:25:15,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:25:15,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:15,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:15,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:25:15,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:25:15,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:25:15,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:15,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 06:25:15,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:15,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:15,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:15,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:25:15,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:25:15,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:25:15,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:15,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:15,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:25:15,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:25:15,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:25:15,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:15,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-14 06:25:15,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:15,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:15,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:15,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:25:15,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:25:15,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:25:15,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:15,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:15,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:25:15,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:25:15,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:25:15,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:15,685 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-14 06:25:15,686 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1823988318] [2020-10-14 06:25:15,686 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:25:15,686 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 06:25:15,686 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481381233] [2020-10-14 06:25:15,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 06:25:15,687 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:25:15,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 06:25:15,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-14 06:25:15,687 INFO L87 Difference]: Start difference. First operand 766 states and 1119 transitions. Second operand 11 states. [2020-10-14 06:25:19,643 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-14 06:25:37,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:25:37,496 INFO L93 Difference]: Finished difference Result 3245 states and 5538 transitions. [2020-10-14 06:25:37,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 06:25:37,497 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 160 [2020-10-14 06:25:37,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:25:37,515 INFO L225 Difference]: With dead ends: 3245 [2020-10-14 06:25:37,515 INFO L226 Difference]: Without dead ends: 2544 [2020-10-14 06:25:37,521 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=133, Invalid=247, Unknown=0, NotChecked=0, Total=380 [2020-10-14 06:25:37,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2544 states. [2020-10-14 06:25:38,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2544 to 1066. [2020-10-14 06:25:38,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1066 states. [2020-10-14 06:25:38,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 1066 states and 1623 transitions. [2020-10-14 06:25:38,183 INFO L78 Accepts]: Start accepts. Automaton has 1066 states and 1623 transitions. Word has length 160 [2020-10-14 06:25:38,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:25:38,184 INFO L479 AbstractCegarLoop]: Abstraction has 1066 states and 1623 transitions. [2020-10-14 06:25:38,184 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 06:25:38,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 1623 transitions. [2020-10-14 06:25:38,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-14 06:25:38,188 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:25:38,188 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:25:38,188 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 06:25:38,189 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:25:38,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:25:38,189 INFO L82 PathProgramCache]: Analyzing trace with hash 1690260276, now seen corresponding path program 1 times [2020-10-14 06:25:38,189 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:25:38,192 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [530035552] [2020-10-14 06:25:38,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:25:38,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:38,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:38,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:38,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:38,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:38,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:38,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:43,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:43,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-10-14 06:25:43,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 06:25:43,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-14 06:25:43,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:43,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:43,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:25:43,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-14 06:25:43,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 06:25:43,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:44,541 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 544 [2020-10-14 06:25:44,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:25:44,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:44,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:44,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:44,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:25:44,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:25:44,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 06:25:44,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:44,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:44,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:25:44,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:25:44,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:25:44,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:44,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:25:44,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:44,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:44,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:44,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:25:44,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:25:44,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:25:44,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:44,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:44,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:25:44,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:25:44,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:25:44,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:44,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:25:44,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:44,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:44,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:44,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:25:44,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:25:44,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:25:44,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:44,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:44,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:25:44,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:25:44,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:25:44,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:44,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:25:44,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:44,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:44,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:44,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:25:44,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:25:44,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:25:44,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:44,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:44,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:25:44,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:25:44,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:25:44,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:44,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:25:44,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:44,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:44,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:44,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:44,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:45,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:48,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:48,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 06:25:48,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:25:48,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3942 [2020-10-14 06:25:48,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:48,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:48,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:25:48,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:25:48,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 06:25:48,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:48,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:25:48,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:48,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:48,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:48,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:25:48,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:25:48,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:25:48,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:48,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:48,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:25:48,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:25:48,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:25:48,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:48,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:25:48,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:48,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:48,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:48,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:25:48,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:25:48,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:25:48,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:48,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:48,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:25:48,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:25:48,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:25:48,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:25:48,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:25:48,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:48,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:48,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:48,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:25:48,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:25:48,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:25:48,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:48,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:48,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:25:48,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:25:48,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:25:48,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:48,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:25:48,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:48,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:48,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:48,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:25:48,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:25:48,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:25:48,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:48,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:48,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:25:48,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:25:48,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:25:48,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:48,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 06:25:48,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:48,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:48,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:48,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:48,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:48,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:25:48,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 06:25:48,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-14 06:25:48,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:48,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:48,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:25:48,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:25:48,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 06:25:48,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:48,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:25:48,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:48,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:48,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:48,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:25:48,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:25:48,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:25:48,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:48,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:48,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:25:48,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:25:48,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:25:48,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:48,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:25:48,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:48,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:48,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:48,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:25:48,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:25:48,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:25:48,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:48,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:48,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:25:48,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:25:48,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:25:48,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:48,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:25:48,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:48,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:48,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:48,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:25:48,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:25:48,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:25:48,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:48,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:48,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:25:48,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:25:48,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:25:48,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:48,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 06:25:48,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:48,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:48,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:48,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:25:48,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:25:48,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:25:48,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:48,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:48,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:25:48,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:25:48,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 06:25:48,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:48,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:25:48,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:48,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:48,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:48,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:25:48,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:25:48,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:25:48,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:48,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:48,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:25:48,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:25:48,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:25:48,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:48,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:25:48,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:48,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:48,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:48,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:25:48,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:25:48,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:25:48,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:48,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:48,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:25:48,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:25:48,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:25:48,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:48,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:25:48,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:48,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:48,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:48,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:25:48,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:25:48,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:25:48,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:48,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:48,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:25:48,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:25:48,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:25:48,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:48,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-14 06:25:48,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:48,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:48,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:48,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 06:25:48,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:25:48,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:25:48,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:48,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:48,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:25:48,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 06:25:48,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 06:25:48,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:48,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:25:48,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:48,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:48,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:48,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:25:48,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:25:48,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:25:48,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:48,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:48,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:25:48,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:25:48,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 06:25:48,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:48,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-14 06:25:48,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:48,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:48,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:48,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 06:25:48,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:25:48,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 06:25:48,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:48,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:48,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:25:48,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 06:25:48,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:25:48,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:48,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:25:48,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:48,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:48,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:48,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:25:48,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:25:48,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:25:48,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:48,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:48,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:25:48,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:25:48,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:25:48,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:48,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:25:48,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:48,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:48,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:48,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:25:48,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:25:48,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:25:48,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:48,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:48,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:25:48,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:25:48,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:25:48,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:48,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-14 06:25:48,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:48,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:48,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:48,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:25:48,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:25:48,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:25:48,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:48,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:48,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:25:48,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:25:48,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:25:48,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:48,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-14 06:25:48,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:48,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:48,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:48,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:25:48,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:25:48,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:25:48,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:48,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:48,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:25:48,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:25:48,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:25:48,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:48,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-14 06:25:48,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:48,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:48,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:48,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:25:48,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:25:48,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:25:48,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:48,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:48,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:25:48,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:25:48,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:25:48,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:48,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-14 06:25:48,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:48,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:48,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:48,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:25:48,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:25:48,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:25:48,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:48,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:48,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:25:48,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:25:48,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:25:48,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:48,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-14 06:25:48,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:25:48,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:25:48,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:25:48,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:25:48,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:25:48,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:25:48,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:25:48,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:25:48,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:25:48,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:25:48,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:25:48,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:25:49,000 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-14 06:25:49,000 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [530035552] [2020-10-14 06:25:49,000 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:25:49,000 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-14 06:25:49,000 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494908170] [2020-10-14 06:25:49,001 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-14 06:25:49,001 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:25:49,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-14 06:25:49,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2020-10-14 06:25:49,002 INFO L87 Difference]: Start difference. First operand 1066 states and 1623 transitions. Second operand 15 states. [2020-10-14 06:25:51,916 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 546 [2020-10-14 06:25:54,685 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 549 [2020-10-14 06:26:10,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:26:10,974 INFO L93 Difference]: Finished difference Result 4810 states and 8485 transitions. [2020-10-14 06:26:10,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-14 06:26:10,975 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 162 [2020-10-14 06:26:10,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:26:11,001 INFO L225 Difference]: With dead ends: 4810 [2020-10-14 06:26:11,001 INFO L226 Difference]: Without dead ends: 3807 [2020-10-14 06:26:11,009 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=282, Invalid=774, Unknown=0, NotChecked=0, Total=1056 [2020-10-14 06:26:11,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3807 states. [2020-10-14 06:26:11,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3807 to 1078. [2020-10-14 06:26:11,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1078 states. [2020-10-14 06:26:11,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 1078 states and 1638 transitions. [2020-10-14 06:26:11,611 INFO L78 Accepts]: Start accepts. Automaton has 1078 states and 1638 transitions. Word has length 162 [2020-10-14 06:26:11,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:26:11,612 INFO L479 AbstractCegarLoop]: Abstraction has 1078 states and 1638 transitions. [2020-10-14 06:26:11,612 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-14 06:26:11,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 1638 transitions. [2020-10-14 06:26:11,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-14 06:26:11,617 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:26:11,617 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:26:11,617 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 06:26:11,617 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:26:11,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:26:11,618 INFO L82 PathProgramCache]: Analyzing trace with hash 779981355, now seen corresponding path program 1 times [2020-10-14 06:26:11,618 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:26:11,618 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [595011179] [2020-10-14 06:26:11,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:26:11,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:26:11,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:26:11,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:26:11,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:26:11,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:26:12,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:26:12,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:26:12,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:26:12,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:26:16,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:26:16,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:26:16,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-14 06:26:16,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 06:26:16,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-14 06:26:16,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:26:16,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:26:16,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:26:16,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-14 06:26:16,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 06:26:16,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:26:17,974 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 544 [2020-10-14 06:26:17,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:26:17,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:26:17,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:26:18,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:26:18,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:26:18,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:26:18,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 06:26:18,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:26:18,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:26:18,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:26:18,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:26:18,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:26:18,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:26:18,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:26:18,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:26:18,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:26:18,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:26:18,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:26:18,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:26:18,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:26:18,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:26:18,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:26:18,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:26:18,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:26:18,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:26:18,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:26:18,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:26:18,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:26:18,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:26:18,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:26:18,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:26:18,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:26:18,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:26:18,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:26:18,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:26:18,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:26:18,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:26:18,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:26:18,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:26:18,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:26:18,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:26:18,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:26:18,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:26:18,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:26:18,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:26:18,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:26:18,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:26:18,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:26:18,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:26:18,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:26:18,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:26:18,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:26:18,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:26:18,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:26:18,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:26:18,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:26:18,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:26:18,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:26:18,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking...